#!/usr/bin/node

if(process.argv.length!==3){
    console.error('命令行格式：cmd base64_string');
      process.exit(1);

}

const log = console.log,
     info = process.argv[2];



let buf = new Buffer(info,'base64');
let usr = buf.toString('utf8').split(":");

if(usr.length !==2){
    console.error('信息错误');
      process.exit(2);

}

log(`usr:${usr[0]}`);
log(`pwd:${usr[1]}\n`);

